城市道路交叉口交通特征分析

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214520104No.2(SerialNo.145)Apr.2010CHINAMUNICIPALENGINEERING:2010-03-02:(1983—),,,,,。,。,。、,[1]。,、,。、、,、、。1,,(、、、)[2-4],,,。95%,;HCM2000:。,。,,。,。,“”,,“、、、”。“”“”。。:;。:1)、、。2)、,。3)、。,,、。2,,:1)。,,、。,(,200092):,、、。、、,,。。:;;:U412.35:A:1004-4655(2010)02-0008-031);2)1),;2),,,,,,1)—;2)1);2),、()1);2),1);2)1),;2),;3),,;4);5),1);2)1),;2),12☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆:☆;☆☆;☆☆☆。,。,,。2)。,,。3,、,,6(1)。1。,2。。,,,——()。,。4,,[5],,。1),。20102,:(7)4.220~4520~45,,,。4.1。4.3>45>45,,、,。,,1.5~3.0。,,:Et=1000×2Pδl0×m1×m2(5):Et,MPa;P,MPa;δ,cm;l0(0.01mm);m1,;m2。5,,。,。1)。,,,,。,。CBR>7。2)。,,,。,。3),。4),—。6,。,。,,,。,,,。,、,。2)。,,,。,,。3)。,。,,,;,[6],。5,,、、。、、。。:1.[C]//,2002:23-27.[2]GB50220—1995[S].[3]()[S].[4]DGJ08-1996—2001[S].[5].[M].:,1989.[6],,,.[J].,2008,25(12):151-156.20102,:!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!2006SpecificationsforDesignofHighwayAsphaltPavement,standardofclassificationforoverlayingmeasuresisintroduced,andcountermeasuresaregivenaboutrubblizingdisposaloftheexistingcementconcretepavement.Keywords:existingcementconcretepavement;reflectioncrack;asphaltoverlays;impactcompactionOnTrafficPropertyAnalysisofUrbanRoadIntersectionsZHAOJing,ZHAOGuang-fu(ShanghaiMunicipalEngineeringDesign&ResearchInstitute,Shanghai200092,China)Abstract:TounderstandbettertrafficpropertyofurbanroadintersectionsinChina,thepaperstudiesseveralaspectsincludingtrafficflowpassingcondition,thecompositionoftrafficflow,canalizedtraffictypesandtrafficsignalcontrol.Then,thecurrenttrafficpropertyisanalyzedanddifferentcanalizeddesignmodesarecomparedtomaketherelevantresearchesmeetwiththepracticalsituationwellsuchaspassingcapacity,roaddesignandtrafficsafety.Finally,somecautionsduringintersectionsdesignarepointedoutbytheauthor.Keywords:trafficengineering;urbanroadintersections;propertyanalysisOnApplicationofGreenTrafficDesigninSino-SingaporeTianjinEco-cityBAIZi-jian,ZHANGYong(TianjinMunicipalEngineeringDesign&ResearchInstitute,Tianjin300051,China)Abstract:Greentrafficdesignisbasedonpursuingcityliveabilityanddevelopingwiththeresourcecrisisinfluence.Thepaperstudiesthedifferencebetweengreentrafficdesignandtraditionalonefromseveralanglesincludinglanewidth,kerbstonecornerradius,expandingcrossroads,gridroadnetworkandcul-de-sac,etc.Finally,somepracticaldesignexamplesofSino-SingaporeTianjinEco-cityarepresentedaboutroadnetworkstructure,crosssectionandkerbstonesmallcornerradius.Keywords:greentrafficdesign;Sino-SingaporeTianjinEco-city;standards;applicationThree-dimensionalStructuralEmulationAnalysisofContinuousHorizontallyCurvedSteelBoxGirderwithVaryingSectionDepthSONGJie(ShanghaiUrbanConstructionDesign&ResearchInstitute,Shanghai200125,China)Abstract:TakingtheNWK17~K19continuoushorizontallycurvedboxgirderbridgelocatedatBeidiroadofShanghaiMid-ringlineforexample,three-dimensionalshellandsolidelementmodelingofthestructureiscreatedbyuseofcommercialfiniteelementsoftware.Theanalysissubjectsconsistofbearingeccentricityadjustment,structuraldeformationandstresses,andlocalbucklingofgirdersegment.Theanalysisresultscantheoreticallysupportthestructuraldesignofthisbridge,andgivesomevaluableengineeringABSTRACTS

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